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Information

Earthquake Guidelines

For Illinois and neighboring states, earthquakes with the epicenter in the New Madrid Fault Zone pose the greatest “single hazard” natural disaster with the potential for massive destruction and injury within the Central Mississippi Valley. Seismologists concur that there is the probability that a Richter Scale Magnitude 6.0 to 6.5 quake, could occur there at any time, or that a moderate-to-severe quake could occur sometime during the next 15 to 50 years.

IMMEDIATE ACTION

During an earthquake, remain calm and quickly do the following:

Indoor Procedures

Seek protection in a doorway without doors (doors
may swing back and forth violently), under a desk or
table or in a corner.